My truck has 261K, I have a 5" straight exhaust, Edge tuner(I'm still very amateur at this), PPE boost valve, I'm at 7200 ft and this log file goes up to just over 9000 ft. With elevation I should loss between 4-6 lbs of boost but it seems to be getting worse, the other day I saw up to 17 lbs of boost and today can't even get to 15 on my dash gauge, It has a slight lope only when coming to stops, in park there is none. The highest Fuel pressure I saw on log is 20K and lowest 4800. Smokes only on heavy acceleration, but hits a wall early. Any help will be appreciated, Thank you.
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